Home / 90,781.94-136,172.92-24,222.32

Finding the Fourth Proportional to 90,781.94, 136,172.92 and 24,222.32

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Solution

The fourth proportional to 90,781.94, 136,172.92 and 24,222.32 is: 36,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,781.94 : 136,172.92 = 24,222.32 : x
  2. Step 2: Convert to fraction form
    90,781.94/136,172.92 = 24,222.32/x
  3. Step 3: Cross multiply
    90,781.94x = 136,172.92 × 24,222.32
  4. Step 4: Simplify right side
    90,781.94x = 3,298,423,543.36
  5. Step 5: Solve for x
    x = 3,298,423,543.36/90,781.94
  6. Step 6: Final answer
    x = 36,333.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.